Uncertain bidding zone configurations: the role of expectations for transmission and generation capacity expansion

Mirjam Ambrosius, Jonas Egerer, Veronika Grimm, Harry Van Der Weijde

Research output: Contribution to journalArticlepeer-review

Abstract

Ongoing policy discussions on the reconfiguration of bidding zones in European electricity markets induce uncertainty about the future market design. This paper deals with the question of how this uncertainty affects market participants and their long-run investment decisions in generation and transmission capacity. Generalizing the literature on pro-active network expansion planning, we propose a stochastic multilevel model which incorporates generation capacity investment, network expansion, and market operation, taking into account uncertainty about the future bidding zone configuration. Using a stylized two-node network, we disentangle different effects that uncertainty has on market outcomes. If there is a possibility that future bidding zone configurations provide improved regional price signals, welfare gains materialize even if the change does not actually take place. As a consequence, welfare gains of an actual change of the bidding zone configuration are substantially lower due to those anticipatory effects. Additionally, we show substantial distribu- tional effects in terms of both expected gains and risks, between producers and consumers and between different generation technologies.
Original languageEnglish
JournalEuropean Journal of Operational Research
Early online date31 Jan 2020
DOIs
Publication statusE-pub ahead of print - 31 Jan 2020

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